First of all, it's a Pittrsbugher's God-Given-Right to mispronounce, drop off or add letters and even mutilate words, names and places :)
With that said, here's a couple I can remember on the fly:
Teferi = Telfaries
Tome = Tommie
Slivers = Silvers
Jitte = Gee-tee
Yawgmoth = Yawnmuth
Calling...